.page_btns_wrap {
    margin-top: 20px;
}

.page_btns_wrap div {
    border: 1px solid;
    padding: 5px 10px;
    float: left;
    margin-right: 10px;
    cursor: pointer;
}

.page_btns_wrap div:hover {
    border: 1px solid brown;
    background-color: brown;
    color: #fff;
    transition: all .3s;
}

.page_btns_wrap::after {
    clear: both;
}

.table_family {
    border-collapse: collapse;
    margin-top: 20px;
}

.table_family th {
    padding: 6px 0;
    width: 130px;
    text-align: center;
}

.main_con {
    width: 600px;
    margin: 40px auto;
}

#tbbb td {
    text-align: center;
}